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<?php
declare(strict_types=1);
namespace Chemaclass\StockTicker\Domain\Crawler\Site\Barrons;
use Chemaclass\StockTicker\Domain\Crawler\SiteCrawlerInterface;
use Chemaclass\StockTicker\Domain\ReadModel\Site;
use Chemaclass\StockTicker\Domain\ReadModel\Symbol;
use Symfony\Contracts\HttpClient\HttpClientInterface;
final class BarronsSiteCrawler implements SiteCrawlerInterface
{
private const REQUEST_METHOD = 'GET';
private const REQUEST_URL = 'https://www.barrons.com/quote/stock/%s';
private const EXAMPLE_USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36';
/** @var HtmlCrawlerInterface[] */
private array $crawlers;
public function __construct(array $crawlers)
$this->crawlers = $crawlers;
}
public function crawl(HttpClientInterface $httpClient, Symbol $symbol): Site
$symbol = mb_strtolower($symbol->toString());
$url = sprintf(self::REQUEST_URL, $symbol);
$html = $httpClient
->request(self::REQUEST_METHOD, $url, $this->buildRequestHeaders())
->getContent($throw = false);
$crawled = [];
foreach ($this->crawlers as $name => $crawler) {
$crawled[$name] = $crawler->crawlHtml($html);
return new Site($crawled);
private function buildRequestHeaders(): array
return [
'headers' => [
'User-Agent' => self::EXAMPLE_USER_AGENT,
],
];
Chemaclass /
stock-ticker
